Steinberg, H., Schulman, H. M. F. 1., & Stokol, M. (1968). A selection from the collection of José Toribio Medina: Of proclamation coins and Spanish-American rarities and other consignments : public auction sale March 19, 20, 21, 1968. New York, N.Y.: Hans M. F. Schulman.

Steinberg, Herman, Hans M. F. 1914- Schulman, and Michael Stokol. A Selection From the Collection of José Toribio Medina: Of Proclamation Coins and Spanish-American Rarities and Other Consignments : Public Auction Sale March 19, 20, 21, 1968. New York, N.Y.: Hans M. F. Schulman, 1968.

Steinberg, Herman, Hans M. F. 1914- Schulman, and Michael Stokol. A Selection From the Collection of José Toribio Medina: Of Proclamation Coins and Spanish-American Rarities and Other Consignments : Public Auction Sale March 19, 20, 21, 1968. New York, N.Y.: Hans M. F. Schulman, 1968.